3290389442 has 18 divisors (see below), whose sum is σ = 5048681043. Its totient is φ = 1608324772.

The previous prime is 3290389411. The next prime is 3290389447. The reversal of 3290389442 is 2449830923.

3290389442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1645194721 + 1645194721 = 40561^2 + 40561^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=40561.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3290389393 and 3290389402.

It is not an unprimeable number, because it can be changed into a prime (3290389447) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3812303 + ... + 3813165.

Almost surely, 2^3290389442 is an apocalyptic number.

3290389442 is a deficient number, since it is larger than the sum of its proper divisors (1758291601).

3290389442 is an frugal number, since it uses more digits than its factorization.

3290389442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 3290389442 is about 57361.9163034151. The cubic root of 3290389442 is about 1487.3588696647.

The spelling of 3290389442 in words is "three billion, two hundred ninety million, three hundred eighty-nine thousand, four hundred forty-two".